commit d1dc23c9386c6c85ec50c5b4d0a9077ffcb78683 Author: Peter Palfrader peter@palfrader.org Date: Thu Apr 4 18:05:14 2013 +0200
test.c: Try to create a more random temporary directory for our workspace (re: Bug#8638) --- changes/bug8638 | 3 +++ src/test/test.c | 13 +++++++++---- 2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/changes/bug8638 b/changes/bug8638 new file mode 100644 index 0000000..3a790e5 --- /dev/null +++ b/changes/bug8638 @@ -0,0 +1,3 @@ + o Minor features + In our testsuite, create temporary directories with a bit more entropy + in their name to make name collissions less likely. Fixes bug 8638. diff --git a/src/test/test.c b/src/test/test.c index d3d3bd5..0b55f7b 100644 --- a/src/test/test.c +++ b/src/test/test.c @@ -88,8 +88,14 @@ setup_directory(void) { static int is_setup = 0; int r; + char rnd[256], rnd32[256]; if (is_setup) return;
+/* Due to base32 limitation needs to be a multiple of 5. */ +#define RAND_PATH_BYTES 5 + crypto_rand(rnd, RAND_PATH_BYTES); + base32_encode(rnd32, sizeof(rnd32), rnd, RAND_PATH_BYTES); + #ifdef _WIN32 { char buf[MAX_PATH]; @@ -98,11 +104,11 @@ setup_directory(void) if (!GetTempPathA(sizeof(buf),buf)) tmp = "c:\windows\temp"; tor_snprintf(temp_dir, sizeof(temp_dir), - "%s\tor_test_%d", tmp, (int)getpid()); + "%s\tor_test_%d_%s", tmp, (int)getpid(), rnd32); r = mkdir(temp_dir); } #else - tor_snprintf(temp_dir, sizeof(temp_dir), "/tmp/tor_test_%d", (int) getpid()); + tor_snprintf(temp_dir, sizeof(temp_dir), "/tmp/tor_test_%d_%s", (int) getpid(), rnd32); r = mkdir(temp_dir, 0700); #endif if (r) { @@ -2094,6 +2100,7 @@ main(int c, const char **v) return 1; } crypto_set_tls_dh_prime(NULL); + crypto_seed_rng(1); rep_hist_init(); network_init(); setup_directory(); @@ -2106,8 +2113,6 @@ main(int c, const char **v) return 1; }
- crypto_seed_rng(1); - atexit(remove_directory);
have_failed = (tinytest_main(c, v, testgroups) != 0);